My new Linksys WRT160N works fine with an older XP notebook and several new devices, but when I try to connect using my HP pavilion notebook (Vista) I am asked to "enter credentials": my user name, password, and logon domain. I have user name and password, but I don't have logon domain. I have tried every suggestion on the internet message boards (primarily setting up the connection manually) as well as the three suggestions listed for a very similar question on this website (though I never found anything about IEEE authentication to disable), and nothing changes this "Enter Credentials" prompt. I spent a couple hours on the phone with Linksys tech support as well, and he decided it was something wrong with the driver for my wireless in the notebook. I downloaded an update for that. No luck.